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How is texture memory with bilinear interpolation implemented in NVIDIA GPU hardware?

Can you explain the underlying hardware design that enables bilinear interpolation within NVIDIA's texture memory subsystem?

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By Ramesh Answered 1 year ago

It's implemented in fixed-function texture filtering units within each Streaming Multiprocessor (SM). These dedicated units contain interpolators that compute weighted averages from fetched texels in parallel, far more efficiently than general gather instructions.

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